128878962

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{85577}}^1$

素因数の和:85833

約数の個数: 16

約数和(自身を含む): 258787872

約数和(自身を除く): 129908910

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 85577, 171154, 256731, 513462, 21479827, 42959654, 64439481, 128878962]

約数ペア:

[(1, 128878962), (2, 64439481), (3, 42959654), (6, 21479827), (251, 513462), (502, 256731), (753, 171154), (1506, 85577)]